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QAM
- 本文介绍了QAM调制、解调和判决原理，讨论了QAM的误码率性能，并在SystemView下对QAM调制、解调系统进行了仿真，观察并分析了原始输入信号、调制信号、解调信号、星座图以及QAM信号的功率谱图。-QAM modulation, demodulation and sentencing principle, the QAM BER performance, and right under the SystemView QAM modulation, demodulation system f
QAMTransmissionThroughaCompanding
- Abstract-The effect of the companding process on QAM signals has been under investigation for the past several years. The compander, included in the PCM telephone network to improve voice performance, has an unusual affect on digital QAM data
MPSKMQAMmudulation.rar
- 本程序用于完成BPSK、QPSK、pi/4QPSK、OQPSK、8PSK、16QAM、32QAM、64QAM和128QAM的调制仿真。并可任意扩展到MPSK和MQAM。程序分成四个部分，fir.m对基带码元序列进行脉冲成型，可选矩形脉冲，升余弦脉冲和平方根升余弦脉冲； modal.m 为主程序，完成岁各种信号的基带星座图映射、脉冲成型和调制；pi4QPSK.m 为pi/4QPSK信号的星座图映射程序；test1.m给出一个简单的频谱显示测试。,This procedure for the com
16QAM.rar
- 16QAM仿真的程序，包含载波、眼图、星座图等多个通信常见图形的仿真,16QAM simulation procedures, including the carrier, the eye diagram, constellation diagram, and many other common graphics communication simulation
16QAM.rar
- 16QAM的matlab实现，以及计算机仿真，观察其波形，功率谱，误码率以及星座图,16QAM to achieve the matlab, as well as computer simulation, to observe the waveform, power spectrum, BER, and constellation diagram
Mod.rar
- 包含12个MATLAB函数，分别长生2PSK 4psk 8psk信号 和16QAM信号以及星座图 噪声程序等,12 MATLAB includes a function of longevity separately 2PSK 4psk 8psk signal and 16QAM signal constellation diagram, as well as procedures such as noise
QAM128_mod1
- matlab下的128QAM基带调制仿真，并绘制星座图-matlab under 128QAM baseband modulation simulation, and the mapping of constellation diagram
qam-re-tr
- QAM Matlab程序，误码率的坐标，星座图等在图中已经显示出来-QAM Matlab procedure, the coordinates of BER, constellation diagram, etc. At chart has been displayed
QAM128_mod1
- 128QAM调制仿真的星座图。matlab源文件。-Simulation 128QAM modulation constellation diagram. matlab source file.
16qam_channel_encode
- 一、 本程序采用16QAM调制方式，对一串2进制信源进行调制，采用（7，4）循环码对信源做信道编码，用升余弦滚降函数进行基带调制，再调到高频信道；在信道上加入高斯白噪声，运用匹配滤波器解调，画出解调星座图，运用最小欧氏距离译码判决，再对信号进行信道解码，画出采用信道编码技术和不采用信道编码技术的误比特率图。-First, this program uses 16QAM modulation mode, for a string of two binary source is modulated,
QAM
- 星座图QAM4.大家参考参考啊！有更好的请邮箱联系-Constellation diagram QAM4. Your information ah! Better links, please mail
constellation_qam
- This m file shows constellation for MQAM.
qam
- 完成一个利用矩形信号星座图的M=16D的QAM通信系统的MonteCarlo的仿真-To complete a use of the rectangular signal constellation diagram of M = 16D of QAM communication system MonteCarlo Simulation
QAM_x_constellation
- it is a complete project on QAM based OFDM in which the fourth file is the QAM constellation.-it is a complete project on QAM based OFDM in which the fourth file is the QAM constellation.
constellation_qam
- M-QAM constellation mapping
qam
- 一、 本程序采用16QAM调制方式，对一串2进制信源进行调制，用升余弦滚降函数进行基带调制，再调到高频信道；在信道上加入高斯白噪声，运用匹配滤波器解调，画出解调星座图，运用最小欧氏距离译码判决，计算误比特率。-First, this program uses 16QAM modulation mode, for a string of two binary source is modulated with a raised cosine roll-off function for base-ba
QAM
- MAQ-N with N in(1,2,3,4) modulation implementation code devlopped to simulate this numeric modulation with constellation and BRE (bit rate error) (french comments may be annoying ) whith a graphique interface to simulte sms transmission end reception
Constellation-demapping
- 32QAM中的数据星座图映射用LAbview实现，可以进一步借鉴，实现其他QAM星座图映射-The data in the 32QAM constellation diagram mapping using LAbview to achieve, can further learn from the other QAM constellation
QAM
- 数字通信中有许多调制方式，16QAM是常用的一种，它是幅度和相位联合键控。QAM调制包括了16QAM、32QAM、64QAM、56QAM等，这段代码仿真了16QAM的星座图，误码率和误比特率，显示了它们之间的联系，对于学习QAM调制的性能分析有用。-This code simulation 16 qam constellation diagram, bit error rate and bit error rate, and shows the links between them,
Constellation
- 32QAM中的数据星座图映射用LAbview实现，可以进一步借鉴，实现其他QAM星座图映射。(The data constellation map in 32QAM is implemented by LAbview, and can be further used for reference to realize other QAM constellation mapping.)